Page 39 of 303

Keys, doors and windows37
Press and hold c for more than two
seconds to open windows.
Press and hold e for more than two
seconds to close windows.
Release button to stop window
movement.
If the windows are fully opened or
closed, the hazard warning lights will
flash twice.
Overload
If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Initialising the power windows
If the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery), a
warning message is displayed in the
Driver Information Centre.
Vehicle messages 3 115.
Activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Pull the switch until the window is closed and keep pulling for
additional two seconds.
4. Push the switch until the window is completely open and keep
pushing for additional
two seconds.
5. Repeat for each window.Heated rear window
Operated by pressing b together with
heated exterior mirrors. LED in button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Page 40 of 303
38Keys, doors and windowsHeated windscreen
Operated by pressing ,. LED in
button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Pressing , once more during the
same ignition cycle allows the heating to operate for another three minutes.
Sun visors The sun visors can be folded down or
swivelled to the side to prevent
dazzling.
The covers of the mirrors should be
closed when driving.
A ticket holder is located on the
backside of the sun visor.Roof
Sunroof9 Warning
Take care when operating the
sunroof. Risk of injury, particularly to children.
Keep a close watch on the
movable parts when operating
them. Ensure that nothing
becomes trapped in them as they
move.
Switch on ignition to operate the sunroof.
Page 51 of 303

Seats, restraints49The seat heating will be reduced
automatically from highest level to
medium level after 30 minutes.
Seat heating is operational when
engine is running and during an
Autostop.
Stop-start system 3 157.
Automatic seat heating
Depending on the equipment, the
automatic seat heating can be
enabled in the vehicle personalisation menu in the Info-Display.
Vehicle personalisation 3 117.
When enabled, the heating of the
seats will be activated automatically
at vehicle start. The activation is
based on several parameters such as
vehicle interior temperature, intensity
and direction of the sun and
temperature setting of the electronic
climate control system for the driver
and passenger side.
As the vehicle’s interior warms up, the seat heating level will be reduced
automatically until it finally goes off.The seat heating level being provided during the automatic operation is
shown by heated seat indicator lights.
If the passenger seat is unoccupied,
the automatic seat heating feature will not activate the seat heating for that
seat.
The seat heating buttons can be
pressed at any time to exit the
automatic seat heating for the
respective seat and control the seat heating manually instead.
VentilatingAdjust ventilation to the desired
setting by pressing A for the
respective seat one or more times.
The control indicator in the button
indicates the setting.
Ventilated seats are operational when
engine is running and during an
Autostop.
Stop-start system 3 157.
Massage
Press c to switch on the back
massage function.
To switch off, press c again.
Page 52 of 303
50Seats, restraintsAfter ten minutes the massage
function is switched off automatically.Rear seats
Armrest
Fold armrest down. The armrest
contains cupholders.
Heating
Activate seat heating by pressing ß
for the respective rear outer seat.
Activation is indicated by the LED in
the button.
Press ß once more to deactivate seat
heating.
Prolonged use for people with
sensitive skin is not recommended.
Seat heating is operational when engine is running and during an
Autostop.
Stop-start system 3 157.
Page 80 of 303

78Instruments and controlsInstruments and
controlsControls ....................................... 79
Steering wheel adjustment ........79
Steering wheel controls .............79
Heated steering wheel ...............80
Horn ........................................... 80
Windscreen wiper/washer .........80
Rear window wiper/washer .......82
Outside temperature ..................83
Clock ......................................... 83
Power outlets ............................. 85
Inductive charging .....................86
Ashtrays .................................... 86
Warning lights, gauges and indi‐ cators ........................................... 88
Instrument cluster ......................88
Speedometer ............................. 93
Odometer .................................. 94
Trip odometer ............................ 94
Tachometer ............................... 95
Fuel gauge ................................ 95
Engine coolant temperature gauge ....................................... 96
Service display .......................... 96
Control indicators ......................97Turn signal................................. 97
Seat belt reminder .....................97
Airbag and belt tensioners .........98
Airbag deactivation ....................98
Charging system .......................99
Malfunction indicator light ..........99
Brake and clutch system ...........99
Electric parking brake ................99
Electric parking brake fault ........99
Antilock brake system (ABS) ...100
Gear shifting ............................ 100
Following distance ...................100
Lane keep assist .....................100
Electronic Stability Control off . 100
Electronic Stability Control and Traction Control system .........100
Traction Control system off .....101
Engine coolant temperature ....101
Preheating ............................... 101
AdBlue ..................................... 101
Tyre pressure monitoring system .................................... 101
Engine oil pressure ..................101
Low fuel ................................... 102
Immobiliser .............................. 102
Exterior light ............................ 102
High beam ............................... 102
High beam assist .....................102
LED headlights ........................ 102
Fog light ................................... 102Rear fog light........................... 103
Cruise control .......................... 103
Adaptive cruise control ............103
Vehicle detected ahead ...........103
Pedestrian detection ................103
Speed limiter ........................... 103
Traffic sign assistant ................103
Door open ................................ 103
Information displays ...................104
Driver Information Centre ........104
Info display .............................. 111
Head-up display ......................113
Vehicle messages ......................115
Warning chimes .......................116
Battery voltage ........................ 116
Vehicle personalisation ..............117
Telematics service .....................121
OnStar ..................................... 121
Page 82 of 303
80Instruments and controlsHeated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
The recommended grip areas of the
steering wheel are heated quicker
and to a higher temperature than the
other areas.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 157.
Horn
Press j.
Windscreen wiper/washer
Windscreen wiper with adjustable
wiper intervalHI:fastLO:slowINT:interval wipingOFF:off
For a single wipe when the
windscreen wiper is off, press the
lever downwards to position 1x.
Do not use if the windscreen is frozen.
Switch off in car washes.
Page 95 of 303

Instruments and controls93OverviewOTurn signal 3 97XSeat belt reminder 3 97vAirbag and belt tensioners
3 98VAirbag deactivation 3 98pCharging system 3 99ZMalfunction indicator light
3 99RBrake and clutch system 3 99mElectric parking brake 3 99jElectric parking brake fault
3 99uAntilock brake system (ABS)
3 100RGear shifting 3 100EFollowing distance 3 100aLane keep assist 3 100nElectronic Stability Control off
3 100bElectronic Stability Control and
Traction Control system 3 100kTraction Control system off
3 101WEngine coolant temperature
3 101!Preheating 3 101YAdBlue 3 101wTyre pressure monitoring
system 3 101IEngine oil pressure 3 101YLow fuel 3 102dImmobiliser 3 1028Exterior light 3 102CHigh beam 3 102fHigh beam assist 3 102fLED headlights 3 102>Fog light 3 102rRear fog light 3 103mCruise control 3 103CAdaptive cruise control 3 103AVehicle detected ahead 3 1037Pedestrian detected ahead
3 196LSpeed limiter 3 103LTraffic sign assistant 3 103hDoor open 3 103
Speedometer
Indicates vehicle speed.
Page 97 of 303
Instruments and controls95Uplevel instrument cluster
Select Info page on main menu.
Choose page Trip A or Trip B by
pressing o on the steering wheel.
Each trip odometer can be reset separately when ignition is on: select
respective page, press >. Confirm by
pressing 9.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
Caution
If the needle is in the red warning
zone, the maximum permitted
engine speed is exceeded. Engine at risk.
Fuel gauge
Displays the level in the fuel tank.
The arrow indicates the vehicle side
where the fuel filler flap is located.
Control indicator Y illuminates if the
level in the tank is low. Refuel
immediately if it flashes.
Never run the fuel tank dry.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified fuel tank capacity.